$(function () {

    //固定banner
    /*
     var $f = $(".footer-second");
     var offset = $f.offset();
     var update = function() {
     var scrollTop = $(window).scrollTop();
     var windowHeight = $(window).height();
     var offsetBottom = offset.top - scrollTop - windowHeight + offset.height;
     $f[offsetBottom > 0 ? "addClass" : "removeClass"]("fixed");
     }
     
     $(window).scroll(update);
     $(window).resize(update);
     update();
     */


    //计算indicator
    $(document).on("mouseover", ".trigger", function (e) {
        var $a = $(e.target);
        var $indicator = $a.parents("article").find(".indicator");
        var p = $a.data("position");
        $indicator.css({
            left: p[0],
            top: p[1],
            width: p[2],
            height: p[3]
        });
        $indicator.show();
    });
    $(document).on("mouseout", ".trigger", function (e) {
        var $a = $(e.target);
        var $indicator = $a.parents("article").find(".indicator");
        $indicator.hide();
    });
});
